User Manual
Toc-1
IM 11M12A01-21E
<CONTENTS>
Model ZR22A, ZR202A 
Heater Assembly
CONTENTS
IM 11M12A01-21E  3rd Edition
Introduction ..............................................................................................................i
 For the safe use of this equipment ............................................................................... ii
 After-Sales Warranty ..................................................................................................... iv
1.  Specications ........................................................................................... 1-1
1.1  Model ZR22A Heater Assembly .......................................................................1-1
1.2  Model ZR202A Heater Assembly ..................................................................... 1-2
2.  Instruction for Replacement of the Heater Unit .................................... 2-1
2.1  Instruction for Replacement of Model ZR22A Heater Unit ........................... 2-1
2.1.1  Removal Procedures for Sensor Assembly ....................................... 2-1
2.1.2   Replacement of the Heater Unit ........................................................2-2
2.1.3   Part Assembly Procedure of Sensor Assembly .................................2-5
2.2  Instruction for Replacement of Model ZR202A Heater Unit ......................... 2-6
2.2.1  Replacement of the Heater Unit ........................................................ 2-7
3.   Checking After Replacing Heater Unit ................................................... 3-1
3.1   Checking Wiring ................................................................................................3-1
3.2   Checking Heater Operation ............................................................................. 3-1
Revision Information ...............................................................................................i










